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Former World No.4 Kei Nishikori to compete in the National Bank Challenger Tournaments in Calgary and Drummondville - Tennis Canada
![Alexander Zverev survives Kei Nishikori scare to set up Rafael Nadal clash at Italian Open - Tennis video - Eurosport Alexander Zverev survives Kei Nishikori scare to set up Rafael Nadal clash at Italian Open - Tennis video - Eurosport](https://i.eurosport.com/2021/05/13/3132058-64196893-2560-1440.jpg)
Alexander Zverev survives Kei Nishikori scare to set up Rafael Nadal clash at Italian Open - Tennis video - Eurosport
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